blue screen error

[graphicneed]

i keep getting blue screen error just after startup (after win 7 welcome page)....i dont know whether its any devices recently installed , but system restore aint helping.pls help me , ill provide any details necessary

 

[ddd1ddd]

What was happening before blue screen started? Recent hardware or software changes? Crashes?

Do you have any other hard drives you could test your system with?